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Jun 28th, 2005
Views: 3,061
anurag_pareek
This Program gives the UserDetails of the logged in User.
a) The RealName
b) Login Name ( Why do we need this?)
c) Home Directory
d) Default Login Shell

Additional Purpose of this code would be to invoke/ learn at man getpwuid and about struct passswd
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c Syntax | 4 stars
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  1. /* Program to get the Details of the user like User's Real Name, Username and Shell */
  2.  
  3. #include <pwd.h>        /* getpwdid */
  4. #include <sys/types.h>
  5. #include <unistd.h> 
  6. #include <stdio.h>
  7.  
  8. void user_details(void);
  9.  
  10. int main(void)
  11. {
  12. 	user_details();
  13.  
  14. 	return 0;
  15. }
  16.  
  17. void user_details(void)
  18. {
  19. 	struct passwd *passwd;           /* man getpwuid */
  20. 	passwd = getpwuid ( getuid());   /* Get the uid of the running processand use it to get a record from /etc/passwd */
  21.  
  22. 	printf("\n The Real User Name is %s ", passwd->pw_gecos);
  23. 	printf("\n The Login Name is %s ", passwd->pw_name);
  24. 	printf("\n The Home Directory is %s", passwd->pw_dir);
  25. 	printf("\n The Login Shell is %s ", passwd->pw_shell);
  26. 	printf("\n The Passwd is %s ", getpwuid(getuid()) >pw_passwd);
  27. 	printf("\n The uid is %lu ", (unsigned long) getpwuid(getuid())->pw_uid);
  28. 	printf("\n The gid is %lu \n\n", (unsigned long) getpwuid(getuid())->pw_gid);
  29. }
  30.  
  31. /* Program to get the Details of the user like User's Real Name, Username and Shell */
  32.  
  33. #include <pwd.h>        /* getpwdid */
  34. #include <sys/types.h>
  35. #include <unistd.h> 
  36. #include <stdio.h>
  37.  
  38. void user_details(void);
  39.  
  40. int main(void)
  41. {
  42. 	user_details();
  43.  
  44. 	return 0;
  45. }
  46.  
  47. void user_details(void)
  48. {
  49. 	struct passwd *passwd;           /* man getpwuid */
  50. 	passwd = getpwuid ( getuid());   /* Get the uid of the running processand use it to get a record from /etc/passwd */
  51.  
  52. 	printf("\n The Real User Name is %s ", passwd->pw_gecos);
  53. 	printf("\n The Login Name is %s ", passwd->pw_name);
  54. 	printf("\n The Home Directory is %s", passwd->pw_dir);
  55. 	printf("\n The Login Shell is %s ", passwd->pw_shell);
  56. 	printf("\n The Passwd is %s ", getpwuid(getuid())->pw_passwd);
  57. 	printf("\n The uid is %lu ", (unsigned long) getpwuid(getuid())->pw_uid);
  58. 	printf("\n The gid is %lu \n\n", (unsigned long) getpwuid(getuid())->pw_gid);
  59. }
  60.  
  61.  
Comments (Newest First)
bumsfeld | Posting Shark | Aug 17th, 2005
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Twice is better? You must be shiddin us!
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